Nd:Cr:GSGG, Will It Replace Nd:YAG?

S. E. Stokowski

doi:10.1117/12.938061

6 April 1987 Nd:Cr:GSGG, Will It Replace Nd:YAG?

S. E. Stokowski

Proceedings Volume 0736, New Slab and Solid-State Laser Technologies and Applications; (1987) https://doi.org/10.1117/12.938061
Event: OE LASE'87 and EO Imaging Symposium, 1987, Los Angeles, CA, United States

Abstract

Gadolinium scandium gallium garnet (GSGG) codoped with neodymium (Nd) and chromium (Cr) is a new laser material that can make more efficient lasers. I compare it to Nd-doped yttrium aluminum garnet (YAG) for two types of systems: large zig-zag slab lasers and small rod lasers. Nd:Cr:GSGG has a significant advantage over Nd:YAG in large systems because of its high efficiency and availability in large sizes. In small rod systems, though, the larger thermal lensing and birefringence in Nd:Cr:GSGG make it less desirable than Nd:YAG from an optical standpoint, but its high efficiency means that laser system size and weight can be reduced. I review progress in obtaining large Nd:Cr:GSGG slabs. In this effort, Allied-Signal Corp. has successfully grown 5-inch diameter Nd:Cr:GSGG boules.

Citation Download Citation

S. E. Stokowski "Nd:Cr:GSGG, Will It Replace Nd:YAG?", Proc. SPIE 0736, New Slab and Solid-State Laser Technologies and Applications, (6 April 1987); https://doi.org/10.1117/12.938061

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